| M - Musculo-Skeletal System |  |   |  
  |  | M03 - Muscle Relaxants |  This group comprises peripherally, centrally and directly acting muscle relaxants. See also G04BD - Drugs for urinary frequency and incontinence. 
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  |  | M03B - Muscle Relaxants, Centrally Acting Agents |  This group comprises centrally acting muscle relaxants. Combined preparations are classified at separate 5th levels using the corresponding 50-series (comb. excl. psycholeptics), or the 70-series (comb. with psycholeptics): The group is subdivided according to chemical structure. Combinations with NSAIDs (M01A), analgesics (N02B) or corticosteroids (H02A) are classified here. 
  |  These drugs are used in different conditions associated with pain and rigidity in the muscles, joints etc. DDDs for combination products, see list on the website atcddd.fhi.no. 
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  |  | M03BA - Carbamic Acid Esters |  |   |  
  |  | M03BA03 - Methocarbamol |  | Dose | Route of administration | Note | 
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